This laser driver can rely on this fan to reduce its temperature: http://www.analogti.com/thermo-system-components/heat-sink.html This laser driver can be used for building a laser with this TEC controller: http://www.analogti.com/thermo-system-components/high-efficiency-tec-controllers.html this laser driver can rely on this TEC to reduce the laser temperature: http://www.analogti.com/thermo-system-components/regular-temp-tec-modules.html